Route on-time record
FLL to BUF: most on-time flights and the best time to fly
Fort Lauderdale (Fort Lauderdale Hollywood International Airport) to Buffalo (Buffalo Niagara International Airport). 574 nonstop flights in Jun 2025 to May 2026, 65% arrived within 15 minutes and 2.3% were cancelled. The most reliable flight number was JetBlue 2466 at 6:00 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
FLL → BUF
Fort Lauderdale to Buffalo: 574 nonstop flights a year
On time (12 months)
65%
Cancelled
2.3%
avg delay 24 min
Best time to leave
9 AM to noon
66% on time vs 60% 3 to 6 PM
Most reliable airline
JetBlue
65% chance on time
Lowest nonstop fare seen in the next two months: $274 (JetBlue 866 on 2026-10-28). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · JetBlue 2466
6:00 PM → 8:58 PM2h 59m nonstop
Local times, typical schedule. Last flown 2026-05-31.
69%
chance on time
- On time (history)
- 72%
- Cancelled
- 1.6%
- Avg arrival delay
- 19 min
- Arrived on time 72% of the time (243 flights, Jun 2025 to May 2026).
- Departs inside FLL's trouble window: 70% of its 20 ground stops and delay programs started between 1 PM and 7 PM.
- 55% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 243 flights
Find JetBlue 2466 fares Opens this date on Aviasales#2 · JetBlue 866
7:00 PM → 9:59 PM2h 59m nonstop
Local times, typical schedule. Last flown 2026-05-31.
62%
chance on time
- On time (history)
- 61%
- Cancelled
- 4.1%
- Avg arrival delay
- 26 min
- Arrived on time 61% of the time (187 flights, Jun 2025 to May 2026).
- Cancelled 4.1% of the time (8 of 195).
- Departs outside FLL's trouble window (1 PM to 7 PM, when 70% of its 20 ground stops and delay programs started).
Moderate track record · 187 flights
Find JetBlue 866 fares Opens this date on Aviasales#3 · Southwest 3061
1:00 PM → 4:00 PM3h 00m nonstop
Local times, typical schedule. Last flown 2026-05-30.
58%
chance on time
- On time (history)
- 63%
- Cancelled
- 0.0%
- Avg arrival delay
- 18 min
- Arrived on time 63% of the time (8 flights, Jun 2025 to May 2026).
- Departs inside FLL's trouble window: 70% of its 20 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 8 flights
Find Southwest 3061 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- JetBlue65%
506 flights · 66% on time as flown · 2.5% cancel
- Southwest Airlines61%
68 flights · 57% on time as flown · 1.6% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- 9 AM to noon66%
46 flights · avg delay 18 min
- Noon to 3 PM61%
112 flights · avg delay 31 min
- 3 to 6 PM60%
88 flights · avg delay 18 min
- 6 to 9 PM66%
300 flights · avg delay 24 min
Best day: Tuesday (77%). Worst: Sunday (62%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft49%
- Airline (crew, maintenance, boarding)32%
- Air traffic control and airport volume14%
- Severe weather4%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
FLL to BUF questions
- What time of day is best to fly FLL to BUF?
- 9 AM to noon: 66% of flights arrived on time, against 60% for departures 3 to 6 PM.
- Which airline is most on time from FLL to BUF?
- JetBlue, with a season-adjusted 65% chance of operating and arriving on time over 506 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on FLL to BUF?
- August (48% on time); the best was November (86%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from FLL
- BUF to FLL (return)
- FLL to ATL 71%
- FLL to EWR 70%
- FLL to LGA 66%
- FLL to JFK 69%
- FLL to BOS 66%
- FLL to ORD 69%
- FLL to PHL 73%
- FLL to BWI 73%
- FLL to CLT 78%
- FLL to DFW 72%
- FLL to IAH 82%
- FLL to DTW 73%
Most on-time flights from FLL on every route →
Live status: FAA delays and ground stops
